12.   Take a taxi, and you'll catch the train.

      you         a taxi, you'll catch the train.

 改為同義句，每空一詞。

11.   Study hard,or you won't pass the exam.

If you study hard,you___________ _________ the exam.

(   ) 10. I'll give the book to him if he here next Sunday.

A. will come      B. comes C. is coming      D. came

(   ) 9. If I eat too much food, I     too fat.

A. am      B. was      C. will      D. will be

(   ) 8. What will you do if you     to the par?ty without invitation?

A. go      B. went    C. going      D. will go

(   ) 7. Mary will go to Sanya if she     a fiveday trip.

A. have      B. had      C. will have      D. has

(   ) 6. ―Do you know when he will come back to?morrow?

—Sorry, I don't know. When he      back,I'll tell you.

A. comes      B. will come C. come      D. may come

5.   You may go swimming if you     (finish) your homework.

4.   Please call me if you     ( have) any questions.

3.   You will win the match if you      (practice) hard.